Tsitsipas beats Rublev to set up Djokovic tie

Greece's Stefanos Tsitsipas returns the ball to Andrey Rublev from Russia during the first day of the Mubadala World Tennis Championship in Abu Dhabi, United Arab Emirates, Thursday. Tsitsipas defeated Rublev 6-3, 6-4 in less than 70 minutes and will now face Novak Djokovic in Friday's semi-final. [AP]